Two leadership experts weigh up the characteristics of the Conservative Party leadership hopefuls.
One is a lion and the other a fox, but a successful leader must be both.
Brexit will inevitably dominate this campaign, but the next prime minister also needs positions on austerity, party unity and how to actually survive in parliament.
It's hard to say if, legally, not paying the Brexit bill will classify as a sovereign default. But credit agencies will take serious notice.
It's a strategically poor choice – and that's no coincidence.
Boris Johnson's attitude to Brexit and business has traders on high alert.